.forum {
  width: 1220px;
  height: 398px;
  margin: 0 auto;
  .top {
    height: 60px;
    width: 1220px;
    box-sizing: border-box;
    background-color: rgb(250, 250, 250);
    padding: 18px;
    border: 1px solid rgba($color: #ddd, $alpha: 1);
    border-top-left-radius:6px;
    border-top-right-radius: 6px;
    position: relative;
  }
  p {
    width: 900px;
    float: left;
    font-weight: bold;
    font-size: 18px;
    color: #666;
  }
  button {
    float: right;
    width: 103px;
    height: 37px;
    border-radius: 5px;
    font-weight: bold;
    color: #666;
    border: 1px solid rgba($color: #ddd, $alpha: 0.5);
    background-color: rgba($color: #fff, $alpha: 1);
    position: absolute;
    top: 12px;
    right: 20px;
  }
  .box {
    float: left;
    background-color: white;
    width: 305px;
    height: 335px;
    text-align: center;
    position: relative;
    box-sizing: border-box;
    padding: 30px;
    border: 1px solid rgba($color: #ddd, $alpha: 0.3);
    cursor: pointer;
    border-bottom-left-radius:6px;
    border-bottom-right-radius: 6px;
    border: 1px solid rgba($color:#ddd, $alpha:.5);
    &:hover{
        box-shadow: 0  5px 10px 10px  #eee inset; 
      }
    img {
      border-radius: 5px;
    }
    h5 {
      margin-top: 20px;
      font-size: 15px;
      height: 40px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    p {
      width: 100%;
      font-size: 12px;
      font-weight: lighter;
      margin-top: 4px;
      color: #999;
      text-align: left;
    }
    h3 {
      text-align: left;
      font-size: 14px;
      color: royalblue;
      margin-top: 60px;
      font-weight: lighter;
    }
  }
}
